Later, He Became A Royal Healer - Chapter 78 - Successful change of maps.

“I hesitated before, I turned back to face my shred of hope, yet still no one cared.”“Later the thick fog arose, you said you loved me so much, but why is your love even fainter than the fog, so faint that I can’t even see it clearly.”

On a normal boring day, a message appears, inviting him to a Tutorial.

He lived from BC to the Middle Ages, from the Renaissance to the Industrial Revolution, and from Cyberpunk to the Interstellar Age. He has been a king and a prophet, a knight and a nobleman, a versatile artist, a genius inventor…
This is a four-thousand-year human epic——
“To us four thousand years from now:
“Is the world at peace? Is famine extinct? Can people touch the stars? How long is the human lifespan? How far is the boundary of the earth? Human…do you remember us?”
——Excavated from Earth Age Tenth Century BC, Solomon Prayer Book.

- Description from novelbuddy

(This is a dungeon core story!)Sylvan is a nymph. A nymph who had lived his entire life protected by a barrier. Hiding the fact that his tree was a dungeon.But now, someone took off the barrier! Tourists are besieging his tree, cutting off branches to use as presents!He has only one option left before him: he must use the mind-altering mushrooms which he grows near his dungeon tree to stop people from chopping his tree down!And it just so happens that he knows how to cook with a flare!Follow him as he feeds those who want to cut off his tree, brainwashes them, and finally levels up his dungeon.This was not a romance story... but then the kind vampire appeared, and the MC lost his heart.